Samsung Sdi Co., Inc.

In-Won Hwang

Jae-Hoon Choi

Hyung-Bok Lee

Joong-Hun Kim

Hyuk-Bok Lee

A pouch type secondary battery which can prevent a cut portion from electrically contacting a protective circuit module, thereby preventing an electrical short circuit and acceleration of corrosion of a core material and enhancing safety includes an electrode assembly having a first electrode plate, a second electrode plate, and a separator; a pouch case made of a flexible material, and having a container, insulated at least on its inner surface and accommodating the electrode assembly, and sealing portions along an edge of the container, the sealing portions including a first sealing portion through which electrode taps of the electrode assembly extend from the pouch case, and a second sealing portion and a third sealing portion respectively positioned at opposite sides of the first sealing portion, the second an third sealing portions being folded at least one time; a protective circuit module connected to the electrode tips and mounted on an outer surface of the first sealing portion; and a short circuit protector formed in at least one among the first through third sealing portions to prevent an electrical short circuit between each sealing portion and the protective circuit module.

Pouch type secondary battery

A pouch type secondary battery which can prevent a cut portion from electrically contacting a protective circuit module, thereby preventing an electrical short circuit and acceleration of corrosion of a core material and enhancing safety includes an electrode assembly having a first electrode plate, a second electrode plate, and a separator; a pouch case made of a flexible material, and having a container, insulated at least on its inner surface and accommodating the electrode assembly, and sealing portions along an edge of the container, the sealing portions including a first sealing portion through which electrode taps of the electrode assembly extend from the pouch case, and a second sealing portion and a third sealing portion respectively positioned at opposite sides of the first sealing portion, the second an third sealing portions being folded at least one time; a protective circuit module connected to the electrode taps and mounted on an outer surface of the first sealing portion; and a short circuit protector formed in at least one among the first through third sealing portions to prevent an electrical short circuit between each sealing portion and the protective circuit module.

Growing community of inventors

Yongin-si, South Korea

In-Won Hwang